GLOSSARY

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Ramsbottom coke

A carbon residue test originated by Dr. J.R. Ramsbottom in England

Reagent

A pure chemical substance that is used to make new products or is used in chemical tests to measure, detect, or examine other substances.

Recycle

The use of water or wastewater within (internally) a facility before it is discharged to a treatment system

Reduced Crude Oil

Crude oil that has undergone at least one distillation process to separate some of the lighter hydrocarbons. Reducing crude lowers its API gravity, but increases the handling safety by raising the flash point.

Reducing agent

Any substance, such as the base metal (iron) or the sulfide ion that will readily donate (give up) electrons. The opposite of an oxidizing agent.

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